From c6bbc371aca336e3df2368149fd8a34b6a7d3ede Mon Sep 17 00:00:00 2001
From: Guido Günther <agx@sigxcpu.org>
Date: Sun, 19 Sep 2010 16:20:27 +0200
Subject: Handle deleted files in /proc/<pid>/exe

---
 whatmaps | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/whatmaps b/whatmaps
index 779b7dc..f7a62a0 100755
--- a/whatmaps
+++ b/whatmaps
@@ -31,6 +31,7 @@ class PkgError(Exception):
 
 class Process(object):
     """A process, needs /proc mounted"""
+    deleted_re = re.compile(r"(?P<exe>.*) \(deleted\)$")
 
     def __init__(self, pid):
         self.pid = pid
@@ -38,6 +39,13 @@ class Process(object):
         try:
             # Linux only so far
             self.exe = os.readlink('/proc/%d/exe' % self.pid)
+            if not os.path.exists(self.exe):
+                    m = self.deleted_re.match(self.exe)
+                    if m:
+                        self.exe = m.group('exe')
+                        logging.debug("Using deleted exe %s", self.exe)
+                    else:
+                        logging.debug("%s doesn't exist", self.exe)
             self.cmdline = open('/proc/%d/cmdline' % self.pid).read()
         except OSError:
             self.exe = None
-- 
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